Panel Permits: Lancaster vs South San Gabriel
How do panel permits rules compare between Lancaster, CA and South San Gabriel, CA?
South San Gabriel has fewer restrictions than Lancaster.
Lancaster, CA
Los Angeles County
Lancaster was the first U.S. city to require solar on new homes. Its Zero Net Energy Home Ordinance (effective Jan 1, 2018) mandates a solar system equivalent to 2 watts per square foot for new residential construction.
View full Lancaster rules →South San Gabriel, CA
Los Angeles County
Solar panel installation in unincorporated LA County requires permits from Building & Safety. Applications submitted via EPIC-LA. Expedited permitting for small residential rooftop PV systems 10 kW or smaller with combined fee not exceeding $500. Plan check required for all PV systems.
View full South San Gabriel rules →Key Facts Comparison
| Fact | Lancaster | South San Gabriel |
|---|---|---|
| Effective | January 1, 2018 | - |
| Requirement | 2 watts per sq ft | - |
| Compliance Paths | Solar / fee / combo | - |
| First in US | Yes (2017 adoption) | - |
| Permits | - | Required, submit via EPIC-LA |
| Expedited | - | For systems 10 kW or smaller |
| Max Fee | - | $500 for small residential |
| Plan Check | - | Required for all PV systems |
Highlighted rows indicate differences between cities.
Lancaster FAQ
Do new homes in Lancaster need solar panels?
Yes. The Zero Net Energy Home Ordinance (effective Jan 1, 2018) requires new single-family homes to have a solar system equivalent to 2 watts per square foot of conditioned floor area, or pay a mitigation fee in lieu.
Can I pay a fee instead of installing solar?
Yes. Builders can fully pay an in-lieu mitigation fee, or combine partial solar with a partial fee. The combined value must equal the 2 W/sq ft requirement; details set by the city's permit process.
South San Gabriel FAQ
Do I need a permit for solar panels in LA County?
Yes, from LA County Building & Safety. State law (SB 1222) requires the county to process residential rooftop solar permits within 1 business day. Fees are typically $400-$800. Contact Building & Safety at (626) 458-3171.
How long does solar permitting take?
Under SB 1222, residential rooftop solar permits must be processed within 1 business day for standard systems. Complex installations (ground-mounted, older roofs needing structural review) may take longer.
What incentives are available for solar in LA County?
Net metering (NEM 3.0) through your utility, the federal Investment Tax Credit (30% through 2032), and potentially state/utility rebates. Check with your utility provider (SCE, LADWP) and energyupgradecalifornia.org.
Compare other topics
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